A practical soil management to improve soil quality by applying mineral organic fertilizer

Springer Science and Business Media LLC - Tập 36 - Trang 198-204 - 2017
Leilei Xiao1,2, Qibiao Sun2, Huatao Yuan2, Bin Lian2
1Key Laboratory of Coastal Biology and Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China
2Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Microbiology, College of Life Sciences, Nanjing Normal University, Nanjing, China

Tóm tắt

Heavy use of chemical fertilizer causes increasing soil and environmental crisis, and the use of organic fertilizer increases obvious in recent years. In this study, mineral organic fertilizer (MOF) and compound fertilizer (CF) were applied in amaranth culture to explore the effects of these two kinds of fertilizers on soil quality and the potential function for CO2 fixation. Some soil parameters were tested, e.g. pH value, organic carbon content, microbial biomass, urease activity, and available potassium content. In addition, some parameters of soil infiltration water were also determined, such as pH and HCO3 − concentration. Experimental results showed that MOF improved soil quality and amaranth biomass and increased possible soil carbon sink. On the contrary, the utilization of CF worsened soil quality and made the soil acidize. These results suggested that MOF can partially replace CF to improve plant growth, soil quality and possible CO2 sink.

Tài liệu tham khảo

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